Meet Vermilion

We responsibly produce essential energy to support local and global needs while delivering long-term value to our people, shareholders, customers, partners, and communities. Our people are fundamental to our success. As a global organization, Excellence, Trust, Respect and Responsibility are at the core of our vision and central to how we do business. Together, these core values create the foundation for our robust and collaborative culture.

We prioritize health and safety, the environment, and profitability, in that order. Nothing is more important to us than the safety of the public and those who work with us, and the protection of our natural surroundings.

The Opportunity

Vermilion is seeking a Sr. Network & Infrastructure Specialist to provide senior, hands-on technical support across Microsoft Azure cloud networking and on-premises network infrastructure. Based in Calgary, this role will support complex network requests and incidents, secure connectivity, administration of network infrastructure components, and core network reliability across Vermilion’s corporate, field, and global environments.

Reporting to the Manager, IT Infrastructure, Operations & Security, you will work closely with Infrastructure, Cyber Security, Client Support, global teams, field sites, and business stakeholders to maintain secure, reliable, and effective technology services. The successful candidate will bring strong Palo Alto Networks expertise, experience with Fortinet and Cisco technologies, and practical knowledge of virtual servers, core infrastructure platforms, and services hosted across on-premises and cloud environments.

What You Will Do

- Lead the assessment, prioritization, and resolution of complex network requests, incidents, and problems involving firewalls, routing, switching, wireless networks, and remote connectivity.

- Administer, support, and securely manage enterprise firewall and network technologies, with a focus on secure, reliable connectivity across corporate and field locations.

- Administer and support on-premises network infrastructure, data centre platforms, cloud networking, identity integrations, monitoring, connectivity, and related security controls across physical,



virtual, and cloud environments.

- Monitor and troubleshoot complex issues across network components, on-premises infrastructure, and cloud environments, identifying root causes and implementing improvements that strengthen reliability, resilience, security, and operational efficiency.

- Collaborate with the Cyber Security team to maintain secure configurations, access controls, logging, and vulnerability remediation practices.

- Plan and implement network and infrastructure changes, upgrades, expansions, lifecycle initiatives, and project-based technical work across corporate, field, on-premises, and cloud environments in accordance with change management processes.

- Manage and support local data centre environments, including occasional travel within the Calgary area as required to maintain, troubleshoot, and improve infrastructure and network services.

- Coordinate vendors and third-party technical support, managing issues through to resolution.

- Maintain architecture, configuration, operating procedures, and recovery documentation, and contribute to technical standards and recommendations that support reliable operations, effective knowledge transfer, and Vermilion’s global technology environment.

- Collaborate with Infrastructure, Cyber Security, Client Support, field operations, and global teams to coordinate effective delivery of technology services.

- Provide technical guidance, knowledge sharing, mentoring, and cross-training to strengthen capability across IT teams.

What You Will Bring

- A diploma or degree in Computer Science, Information Systems, Networking, or a related discipline, or an equivalent combination of education and practical experience.

- A minimum of 8 years of experience supporting complex enterprise technology environments in the energy sector is required,



with direct experience in upstream and/or midstream operations.

- Current professional certification in Palo Alto Networks, Cisco, Fortinet, or another recognized enterprise networking or network security technology is required.

- Significant hands-on experience supporting complex enterprise network environments, including troubleshooting, root-cause analysis, and solution delivery.

- Demonstrated hands-on expertise administering and troubleshooting Palo Alto Networks firewall technologies in complex enterprise environments, along with experience supporting Fortinet and Cisco technologies.

- Hands-on experience supporting Microsoft Azure infrastructure and cloud networking.

- Experience planning and delivering network upgrades, infrastructure implementations, and other project-based technical work.

- Experience managing vendors and coordinating third-party technical support.

- Strong communication, documentation, organization, and prioritization skills, with the ability to manage concurrent operational and project demands.

- A collaborative and service-oriented approach, with the ability to support field locations, work across technical and business teams, share knowledge, and operate effectively across global time zones.

Additional Experience Considered An Asset

- Experience with Zscaler, VMware, Microsoft Azure resources, NetApp, HPE infrastructure, Veeam, secure file-transfer platforms, TeamViewer or SCADA network environments.

- Knowledge of recognized security frameworks and secure infrastructure practices, such as NIST and Zero Trust.

- Working knowledge of identity, endpoint, storage, backup, vulnerability management, and infrastructure security practices.

Other Key Details

- This is an office-based role located in Vermilion’s Calgary office, with an expectation of on-site presence five days per week.

- Occasional flexibility outside regular business hours may be required to support Vermilion’s global operations, including meetings or activities involving teams in other countries and time zones.

- The successful candidate will be required to undergo a criminal record check.

📌 Sr. Network & Infrastructure Specialist (Calgary)
🏢 Vermilion Energy
📍 Calgary